-5.5% is the change from 818 to 773
Calculation steps:
[( 773 - 818 ) ÷ 818] x 100 = -5.5%
Formula
Percentage change = [(773 - 818) / 818] x 100
Subtract the new number by the original number
773 - 818 = -45
-45 ÷ 818 = -0.0550122249388753
-0.0550122249388753 x 100 = -5.5%